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M.Sc. Chemistry, Part-I
PAPER–I
(Physical Chemistry)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- Explain the terms: (a) Clausius inequality (b) Entropy is state function.
- Define the term Chemical potentional and show that : dG=Vdp–SdT.
- State and derive the kinetics of consecutive reaction.
- Write notes on any Two : (a) Flash photolysis (b) Concept of an ensembles (c) What do you mean by reactions with orders (i) (1,2) and (2,1).
- Define and derive the term 'Partition function'. Show the relation between the partition function and the internal energy.
- Write the short notes on micromolecues. Define the (i) No. av. (average) molecular) weight and (ii) the weight average molecular weight.
- Write notes on any Two of the following :– (a) Laplace Equation (b) Boltzmann Distribution Law (c) Ilkovic Equation
- Explain the following :– (a) An ensemble and types of ensembles (b) Lagrange's method of undetermined multipliers.
- Express the term molecular interpretation of second and third law of thermodynamics, atleast one example in each case.
- What do you understand by the term over potential? Write notes on : (a) Oxygen overvoltage and (b) Hydrogen overvoltage.
Examination Programme, 2018 M.Sc. Chemistry, Part-I Date Papers Time Examination Centre 24.05.2018 Paper–I 8.00 AM to 11.00 AM Nalanda Open University, Patna 26.05.2018 Paper–II 8.00 AM to 11.00 AM Nalanda Open University, Patna 28.05.2018 Paper–III 8.00 AM to 11.00 AM Nalanda Open University, Patna 30.05.2018 Paper–IV 8.00 AM to 11.00 AM Nalanda Open University, Patna 01.06.2018 Paper–V 8.00 AM to 11.00 AM Nalanda Open University, Patna 05.06.2018 Paper–VI 8.00 AM to 11.00 AM Nalanda Open University, Patna 07.06.2018 Paper–VII 8.00 AM to 11.00 AM Nalanda Open University, Patna 09.06.2018 Paper–VIII 8.00 AM to 11.00 AM Nalanda Open University, Patna
M.Sc. Chemistry, Part-I
PAPER–II
(Inorganic Chemistry)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- (a) What are VSPER theory? (b) Explain the shape and hybridization of the following :– (i) X (^) e F 6 (ii) IF 7 (iii) NH 4
- Draw the molecular orbital diagram of following with the parameters of Bond order stability and magnetic properties :– (a) No 2 (b) Co 2
- Write symmetric operation in the following molecules :— Hcl, NH 3 , CH 4 , H 2 O, BF 3
- (a) What are Lanthanide contractions? Compare it with Actinide Contraction? (b) What are the consequences of Lanthanide Contraction?
- Construct the character table of C2V and C3V.
- What is Scintillation? Describe the Scintillation Counter operation to detect radiation caused due to radio active substances. What are its advantages over Geiger-Muller Counter.
- Explaind – P bonding by giving suitable examples and write short notes on Bent rule.
- Explain the following :– (a) Nuclear reactions and their types. (b) Nuclear shell model and liquid drop model.
- Give the concept of (a) Groups, (b) sub-groups, (c) classes, (d) point group.
- Write short notes on the following :– (a) Paramagnetic behaviour of lanthanide. (b) Structure of Boranes?
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M.Sc. Chemistry, Part-I
PAPER–IV
(Solid State Chemistry & Quantum Chemistry)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- Calculate the average distance of the electron from nucleus of Hydrogen atom in the 2s configuration?
- Explain the Powder method of crystal structure analysis.
- What are perfect and imperfect crystals? Write notes on the cohesive energy.
- What are intrinsic and extrinsic semiconductors? Short notes on doping of a crystal.
- State Hermitian operator. Discuss its two important properties and explain it.
- Write notes on the following :— (a) Zero-point energy. (b) Basic assumption of the Hückel theory of conjugated system.
- State the variation method and show that (^) Hˆ ^ dE o, the integral can never be less than
the true minimum energy of the system.
- Define bond order. Calculate the bond-order of the following molecules :– (a) Ethylene (b) Butadiene
- Determine the term symbol and no. of microstates of following & configuration :– (a) d 2 system (b) d 5 system (c) p 2 system
10. Write notes on any Two of the following :–
(a) Difference between a conductor, semi-conductor and non-conductor. (b) Pauli exclusion principles. (c) Angular momentum operators.
For Practical Counselling Class & Practical Examination Programme Please See on Back Page.
M.Sc. Chemistry, Part-I
PAPER–V
(Co-ordination Chemistry)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- (a) Calculate the free ion ground state term and microstates of following configuration Ti ^2 , Cr, Fe, Se^ (b) Explain the quenching of d-orbital contribution?
- (a) How does the d-orbital split in octahedral crystal field? (b) Calculate the CFSE for d 3 ,d^4 and d 6 ion in octahedral field with strong and weak ligand?
- S and P terms do not split in crystal field but D and F term split. Explain.
- Draw Molecular Orbital diagram of C 0 CN 6 ^ 3.
- (a) Explain the selection rules for d-d transition? When and why the selection rules break down? (b) What is Spectrochemical series?
- (a) Discuss electronic spectra of d 1 and d^2 system in octahedral & tetrahedral electrostatic field. (b) Explain, by giving examples, John Tellor distortions.
- Explain SN 1 dissociative and SN 2 associative reaction mechanism?
- Explain the following :– (a) Labile and inert complexes (b) Acid hydrolysis reaction
- What is Trans-effect? Explain the theory of Trans-effect.
- (a) Explain magnetic moment and magnetic susceptibility and establish relation between them. (b) Determine the magnetic moment of following ions :– Fe^3 , V^2 , Co^2 * * *
For Practical Counselling Class & Practical Examination Programme Please See on Back Page.
M.Sc. Chemistry, Part-I
PAPER–VII
(Reaction Mechanism and Super Molecular Chemistry)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- (a) The electron exchange reaction in Co NH 3 6 ^ 2 to Co NH 3 6 ^ 3 is slower than
Fe CN 6 ^ 4 to Fe CN 6 ^ 3 why? (b) Explain mixed valence complexes?
- (a) Describe inner and outer sphere mechanism of electron transfer reaction in complexes. Give examples. (b) What are non-complimentary reaction.
- (a) Explain association and dissociative mechanism. Give examples? (b) ExplainS (^) N CB mechanism by giving examples.
- (a) What do you mean by prompt and delayed photochemical reaction? Give examples. (b) Define photo substitution and explain with suitable examples.
- Write short notes on the following :— (a) Excited electron transfer. (b) Reaction of 2-2' bipyridines.
- Write special features of anionic bonding. Write the synthesis of crown ether?
- How supramolecular catalyst are similar to enzyme catalyst? What are the difference between the two.
- (a) Give the structure of schiffis base derived from the reaction of salicylaldehyde and ethylene diamins? (b) Identify the donor sites?
- Write in detail about the following :– (a) Metal alkoxides (b) Acetylacetonate complexes
- Explain the following :– (a) Free-ion ground state terms of d² configuration with its microstate number. (b) Optical inversion.
For Practical Counselling Class & Practical Examination Programme Please See on Back Page.
M.Sc. Chemistry, Part-I
PAPER–VIII
(Natural Product)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- What are Terpenoids? How are they classified? Establish the structure of Phytol.
- Write shorts notes on the following :– (a) Morphine (b) Quinine
- Name the different members of the class flavones, isoflavones, anthocyanins and anthocyanidins. Discuss the general method of determining the structure of flavone.
- What are Hormones? Draw the structure of cholesterol, cholestanol and cholestanone.
- (a) Establish the structure of zingiberene. (b) Establish the structure of abietic acid.
- Discuss biosynthesis of isoflavones.
- (a) Discuss the structure of opianic acid. (b) Discuss the degradative reactions of narcotine.
- Discuss the structure of Vitamin C and its synthesis.
- (a) Discuss the position of the two angular methyl group in cholesterol. (b) Establish the structure of Vitamin B 6.
- What are Vitamins? Discuss the classification of Vitamins and write the important sources and their deficiency diseases?
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M.Sc. Chemistry, Part-II
PAPER–X
(Advance Chemical Dynamics)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- What do you understand by the Flash photolysis? Describe the NMR-technique in study of the flash photolysis.
2. Write notes on any Two of the following :–
(a) Theory of acid-base catalyst. (b) Primary and Secondary salt effect. (c) Van't Hoff intermediates.
- Describe the postulates of the Transition state theory. Compare between the collision and the transition state theories.
- Describe the (a) Kinetic of ionic reactions (b) Kinetics of dipole-dipole reaction (c) ion-dipole reactions. Explain it with any two.
5. Write notes on any Two of the following :–
(a) Kinetics of corrosion (b) Faradaic and non-Faradaic current. (c) Dynamic calculation vs Transition state theory.
6. Discuss the study of fast reaction or Describe the concept of the fast reaction. How the fast
reaction will be studied with reference to NMR-method.
- Describe the followings :– (a) Photo dissociation and recombination (b) Hammett equation
8. Describe the Kinetics of Corrosion. or What is Corrosion? Describe the various factors which
influence the Corrosion.
9. Explain any Two of the following terms :–
(a) Activation Controlled Reactions. (b) Oscillatory Reactions (c) Stochiometric Number
- A certain reaction obeys the following different law (^) K c 2 dt
d^ c : Integrate the equation if initial concentration is c 0 obtain the
expression for t^12.
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M.Sc. Chemistry, Part-II
PAPER–XI
(Molecular Thermodynamics)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- Derive the expression for the translational partition function of a molecule.
- Derive the expression for the internal energy and entropy in terms of the partition function.
- Compare between the macro-canonical ensemble, canonical and the grand canonical ensembles.
- State and derive the Bose-Einstein statistics.
5. Write notes on any Two of the following :–
(a) Microscopic reversibility. (b) Legrange method's of undetermined multiplier. (c) Specific heat of solids. (d) Thermodynic reversibility.
- Entropy production due to heat flow inside the system in irreversible processes. Explain it.
- Compare between the Maxwell-Boltzmann's, Bose-Einstein's and the Fermi-Dirac' statistics.
- Describe the Liouville's theorem and its mathematical interpretation.
- s KB lnW , where W is the thermodynamic probability. Derived it K (^) B is Boltzmann's constant.
- Short notes on the following :– (a) Dulong and Petit's law. (b) Vibrational partition function.
For Practical Counselling Class & Practical Examination Programme Please See on Back Page.
M.Sc. Chemistry, Part-II
PAPER–XIII
(Organotransition Metal Chemistry and Metal Clusters)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- Give the concept of the formation of multiple metal-metal bonds? What are the evidences in support of metal-metal bond and quadruple bonds?
- What is metal nitrosyl? Explain the structure of nitrosyl? Explain the EAN for central metal atom in Nitrosyl with the example of
(a) Fe^ ^2 NO^ 2 Co^2 (b) ^ ^ ^ ^
3 5
Co^3 NO CN
- What is Zeigler-Natta catalyst? How ethylene is polymerised to produce useful material like plastic, fibres and PVC? Discuss mechanism involved in it?
- Give the concept of organometallic compounds? Write the methods of preparation and structure of Zeise's salt?
- What are the steps involved in Wacker's process? Explain the mechanism of wacker's process in the oxidation of ethylene?
- What is OXO process? Give the importance of OXO process? Explain the mechanism of
Hydroformylation of olefin using HCo CO 4 catalyst?
- How you will synthesize the bonded organo-transition metal compounds?
- (i) Explain the following notation :–
(a) (b) (c)
(ii) Exhibit by the notation of back bonding from the filled metal orbitals to acceptor * orbital?
- Explain the following :– (a) Oxidative addition and reductive elimination process. (b) Catalytic reaction of olefin hydrogenation using Wilkinson catalyst.
10. Write short notes on any Two of the following :–
(a) Synthesis of metal elusters. (b) MO treatment for 3 centres-2 electron Bond formation in B 2 H 6 molecule. (c) Zintal ions.
For Practical Counselling Class & Practical Examination Programme Please See on Back Page.
M.Sc. Chemistry, Part-II
PAPER–XIV
(Photochemistry and Pericyclic Reaction)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- Give mechanism of Norrish type I process. How many types of carbonyl compounds gives this reaction?
- Write a note on Conrotatory motion and disrotatory motion.
- Explain Barton reaction. Give its synthetic use and application.
- Give the mechanism for the rearrangement of cyclo dienones and explain the rearrangement of cyclodienones involving diradical intermediate in presence of hydrogen donor and in absence of hydrogen donor.
- Ketones mainly give four types of Photochemical reactions. Give name of the reactions with examples.
- Discuss photochemistry of intermolecular dimerisation (2+2) cycloaddition.
- Write short notes on the following :– (a) Photochemistry of aromatic compounds. (b) Franck Condon Principle.
- Discuss Zimmerman mechanism for the rearrangement given by 2, 5-dienones.
- Give molecular diagram of :– (a) 1, 3-Pentadiene (b) 1, 3, 5 heptatriene
- Give the mechanism of Norrish type (II) process. Which ketones are most common class of compound of -cleavage and why?
M.Sc. Chemistry, Part–II Programme for Practical Counselling Classes and Practical Examination, 2018 Venue : Chemistry Lab, 4 th^ Floor, Biscomaun Bhawan, Patna For Enrollment No. 120250001 to 120250244, 130250001 to 130250350, 140250001 to 140250333 & 150250001 to 150250150 DateCounselling Class ProgrammeTime Paper Practical Examination ProgrammeDate Time XII 11.07.2018 11:30 AM to 2:30 PM XIII 11.07.2018 2:45 PM to 5:45 PM XV 12.07.2018 11:30 AM to 2:30 PM
09.07. & 10.07.
11.00 AM to 5.00 PM XVI 12.07.2018 2:45 PM to 5:45 PM For Enrollment No. 150250151 to 150250450 DateCounselling Class ProgrammeTime Paper Practical Examination ProgrammeDate Time XII 16.07.2018 11:30 AM to 2:30 PM XIII 16.07.2018 2:45 PM to 5:45 PM XV 17.07.2018 11:30 AM to 2:30 PM
13.07. 14.07.2018& 11.00 AM to 5.00 PM XVI 17.07.2018 2:45 PM to 5:45 PM For Enrollment No. 150250451 to 150250480 & 160250001 to 160250180 DateCounselling Class ProgrammeTime Paper Practical Examination ProgrammeDate Time XII 20.07.2018 11:30 AM to 2:30 PM XIII 20.07.2018 2:45 PM to 5:45 PM XV 21.07.2018 11:30 AM to 2:30 PM
18.07. 19.07.2018& 11.00 AM to 5.00 PM XVI 21.07.2018 2:45 PM to 5:45 PM Counselling Class Programme^ For Enrollment No. 160250181 to 160250323Practical Examination Programme Date Time Paper Date Time XII 25.07.2018 11:30 AM to 2:30 PM XIII 25.07.2018 2:45 PM to 5:45 PM XV 26.07.2018 11:30 AM to 2:30 PM
23.07. 24.07.2018& 11.00 AM to 5.00 PM XVI 26.07.2018 2:45 PM to 5:45 PM For Enrollment No. 160250324 to 160250500 DateCounselling Class ProgrammeTime Paper Practical Examination ProgrammeDate Time XII 30.07.2018 11:30 AM to 2:30 PM XIII 30.07.2018 2:45 PM to 5:45 PM XV 31.07.2018 11:30 AM to 2:30 PM
27.07. 28.07.2018& 11.00 AM to 5.00 PM XVI 31.07.2018 2:45 PM to 5:45 PM
M.Sc. Chemistry, Part-II
PAPER–XVI
(Environmental Chemistry and Analytical Chemistry)
Annual Examination, 2018 Time : 3 Hours. Full Marks : 80 Answer any FIVE Questions. All questions carry equal marks.
- What are heavy metals which pollute drinking water? How will you estimate Hg and Cd in water sample.
- Write notes on : (a) Green House Effect, (b) Arsenic in drinking water and its hazardous effect on health.
- How SO 2 , CO 2 , NO 2 pollutants gas are measured. How these gasses damage our health system in society?
- How is soil polluted by regular addition of pesticides and fertilizers? What is effect of these two on fertility of the soil?
- Explain Biogeochemical cycles in environments? How do they sustain life in biosphere?
- What is smog? What are its mechanism? How does it harms the human life and other living World?
- Explain the following :— (a) Rf value (b) TLC (c) TGA
- Write the basic principle of Colorimetry? Derive Lambert-Beer's equations? Write the derivation from Lambert-Beer Law?
- What short of Industrial Pollution is extracted from sugar, distillery and thermal power plant industry? Explain.
10. Write notes on any Two of the following :–
(a) Acid rain (b) Measuring of BOD and COD (c) Photochemical reaction in atomosphere
M.Sc. Chemistry, Part–II Programme for Practical Counselling Classes and Practical Examination, 2018 Venue : Chemistry Lab, 4 th^ Floor, Biscomaun Bhawan, Patna For Enrollment No. 120250001 to 120250244, 130250001 to 130250350, 140250001 to 140250333 & 150250001 to 150250150 Counselling Class Programme Practical Examination Programme Date Time Paper Date Time XII 11.07.2018 11:30 AM to 2:30 PM XIII 11.07.2018 2:45 PM to 5:45 PM XV 12.07.2018 11:30 AM to 2:30 PM
09.07.2018& 10.07.2018 11.00 AM to 5.00 PM XVI 12.07.2018 2:45 PM to 5:45 PM
Counselling Class Programme^ For Enrollment No. 150250151 to 150250450Practical Examination Programme Date Time Paper Date Time XII 16.07.2018 11:30 AM to 2:30 PM XIII 16.07.2018 2:45 PM to 5:45 PM XV 17.07.2018 11:30 AM to 2:30 PM
13.07.2018& 14.07.
11.00 AM to 5.00 PM XVI 17.07.2018 2:45 PM to 5:45 PM For Enrollment No. 150250451 to 150250480 & 160250001 to 160250180 Counselling Class Programme Practical Examination Programme Date Time Paper Date Time XII 20.07.2018 11:30 AM to 2:30 PM XIII 20.07.2018 2:45 PM to 5:45 PM XV 21.07.2018 11:30 AM to 2:30 PM
18.07.2018& 19.07.
11.00 AM to 5.00 PM XVI 21.07.2018 2:45 PM to 5:45 PM For Enrollment No. 160250181 to 160250323 Counselling Class Programme Practical Examination Programme Date Time Paper Date Time XII 25.07.2018 11:30 AM to 2:30 PM XIII 25.07.2018 2:45 PM to 5:45 PM XV 26.07.2018 11:30 AM to 2:30 PM
23.07.2018& 24.07.
11.00 AM to 5.00 PM XVI 26.07.2018 2:45 PM to 5:45 PM For Enrollment No. 160250324 to 160250500 Counselling Class Programme Practical Examination Programme Date Time Paper Date Time XII 30.07.2018 11:30 AM to 2:30 PM XIII 30.07.2018 2:45 PM to 5:45 PM XV 31.07.2018 11:30 AM to 2:30 PM
27.07.2018& 28.07.
11.00 AM to 5.00 PM XVI 31.07.2018 2:45 PM to 5:45 PM
